|NS-SP1800 Multimedia Home Theater Speaker System has Advanced Yamaha Active Servo Technology (Advanced YST), this is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion. Advanced YST helps to ensure the highest levels of sound pressure and overall performance.
NS-SP1800 5.1-Channel entry class speaker package
The convenient way to enjoy the full benefits of 5.1 Channel Home Theater Sound
4 Satellite Speakers:
When you’re the best selling surround sound system of all ...